GE Industrial Solutions CPS2400U - Manual (Page 33)

CPS2400U Upstream System – 19” Product Manual CPS2400U
850028186 r04 December 2013 33
Fan Shelf
See the Controller Office Alarm Connections section for Office Alarm detail.
Figure 28 Fan Shelf Connections
Note: Returns for A and B feeds are shared on the -48V RTN terminal.
Vertical Spacing, Airflow, Baffles, and Fan Shelves
Overview
The Converter System has been designed for mounting in relay racks or in equipment cabinets.
• It is designed for use with user provided vertical airflow cooling of at least 175 linear feet per minute over the
entire flow cross-section of the shelf.
• Equipment may be placed on top of the CPS2400U provided airflow is not impeded or sufficient spacing is
provided.
Outdoor Cabinet Application
The Converter System is rated to work to 65°C in stacks of two shelves in outdoor cabinets without baffles.
Note: where the air entering the second shelf may be heated above 65C inlet temperature, additional airflow beyond
the minimum 175 linear feet per minute is required. These cases require an engineered solution.
Central Office Application
Converter Shelf Stacks (Figure 2) are rated to operate in 55°C environments.
• Up to 2 Converter Shelf Stacks may be mounted in a single frame.
• No vertical space between:
• Fan Shelves
• Fan Shelf and Converter Shelf
• Converter Shelves
• A 3 inch minimum horizontal space is required to the rear of the baffle.
Specific testing is required If the space available is less than 3 inches.
• Slot covers must be installed used on all empty Converter slots when more than one Converter shelf is being
cooled by a Fan Shelf. These covers prevent cooling air from bypassing the Converters. See Figure 29.
Figure 29 Converter Slot Covers
A Feed (-48V)
-48V RTN
B Feed (-48V)
Frame Ground
Office Alarm Connector P6 10/110 Base-T Power Input Connector